/**
* Creates a proxy server instance from the given properties.
*
* <p>Currently the default http.* proxy properties are supported as well as properties specific
* for AHC.
*
* @param properties the properties to evaluate. Must not be null.
* @return a ProxyServer instance or null, if no valid properties were set.
* @see <a
* href="http://download.oracle.com/javase/1.4.2/docs/guide/net/properties.html">Networking
* Properties</a>
* @see #PROXY_HOST
* @see #PROXY_PORT
* @see #PROXY_PROTOCOL
* @see #PROXY_NONPROXYHOSTS
*/
public static ProxyServer createProxy(Properties properties) {
String host = System.getProperty(PROXY_HOST);
if (host != null) {
int port = Integer.valueOf(System.getProperty(PROXY_PORT, "80"));
Protocol protocol;
try {
protocol = Protocol.valueOf(System.getProperty(PROXY_PROTOCOL, "HTTP"));
} catch (IllegalArgumentException e) {
protocol = Protocol.HTTP;
}
ProxyServer proxyServer =
new ProxyServer(
protocol,
host,
port,
System.getProperty(PROXY_USER),
System.getProperty(PROXY_PASSWORD));
String nonProxyHosts = System.getProperties().getProperty(PROXY_NONPROXYHOSTS);
if (nonProxyHosts != null) {
for (String spec : nonProxyHosts.split("\\|")) {
proxyServer.addNonProxyHost(spec);
}
}
return proxyServer;
}
return null;
}
